package section1;
/*
	Sample Input
	1 5
	10 20
	Sample Output
	6
	
	30
*/
import java.util.Scanner;
public class PracticeVII {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a,b;
		while(sc.hasNext()){
			a = sc.nextInt();
			b = sc.nextInt();
			System.out.println(a+b);
			System.out.println();
		}
	}
}
